13929672 has 64 divisors (see below), whose sum is σ = 36391680. Its totient is φ = 4439552.

The previous prime is 13929667. The next prime is 13929677. The reversal of 13929672 is 27692931.

It is an interprime number because it is at equal distance from previous prime (13929667) and next prime (13929677).

It is a self number, because there is not a number n which added to its sum of digits gives 13929672.

It is not an unprimeable number, because it can be changed into a prime (13929677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59668 + ... + 59900.

It is an arithmetic number, because the mean of its divisors is an integer number (568620).

Almost surely, 2^13929672 is an apocalyptic number.

13929672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13929672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18195840).

13929672 is an abundant number, since it is smaller than the sum of its proper divisors (22462008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13929672 is a wasteful number, since it uses less digits than its factorization.

13929672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 338 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 13929672 is about 3732.2475802122. The cubic root of 13929672 is about 240.6099761689.

The spelling of 13929672 in words is "thirteen million, nine hundred twenty-nine thousand, six hundred seventy-two".